HummingBirdAnimeClient/src/API/APIRequestBuilder.php

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<?php declare(strict_types=1);
/**
* Anime List Client
*
* An API client for Kitsu and MyAnimeList to manage anime and manga watch lists
*
* PHP version 7
*
* @package AnimeListClient
* @author Timothy J. Warren <tim@timshomepage.net>
* @copyright 2015 - 2017 Timothy J. Warren
* @license http://www.opensource.org/licenses/mit-license.html MIT License
* @version 4.0
* @link https://github.com/timw4mail/HummingBirdAnimeClient
*/
namespace Aviat\AnimeClient\API;
use Amp\Artax\{
Client,
FormBody,
Request
};
use Aviat\Ion\Di\ContainerAware;
use InvalidArgumentException;
use Psr\Log\LoggerAwareTrait;
/**
* Wrapper around Artex to make it easier to build API requests
*/
class APIRequestBuilder {
use LoggerAwareTrait;
/**
* Url prefix for making url requests
* @var string
*/
protected $baseUrl = '';
/**
* Url path of the request
* @var string
*/
protected $path = '';
/**
* Query string for the request
* @var string
*/
protected $query = '';
/**
* Default request headers
* @var array
*/
protected $defaultHeaders = [];
/**
* Valid HTTP request methos
* @var array
*/
protected $validMethods = ['GET', 'POST', 'PUT', 'PATCH', 'DELETE', 'OPTIONS'];
/**
* The current request
* @var \Amp\Promise
*/
protected $request;
/**
* Set body as form fields
*
* @param array $fields Mapping of field names to values
* @return self
*/
public function setFormFields(array $fields): self
{
$body = $this->fixBody((new FormBody)->addFields($createData));
$this->setBody($body);
return $this;
}
/**
* Set the request body
*
* @param FormBody|string $body
* @return self
*/
public function setBody($body): self
{
$this->request->setBody($body);
return $this;
}
/**
* Set a request header
*
* @param string $name
* @param string $value
* @return self
*/
public function setHeader(string $name, string $value): self
{
$this->request->setHeader($name, $value);
return $this;
}
/**
* Set multiple request headers
*
* name => value
*
* @param array $headers
* @return self
*/
public function setHeaders(array $headers): self
{
foreach ($headers as $name => $value)
{
$this->setHeader($name, $value);
}
return $this;
}
/**
* Append a query string in array format
*
* @param array $params
* @return self
*/
public function setQuery(array $params): self
{
$this->query = http_build_query($params);
return $this;
}
/**
* Return the promise for the current request
*
* @return \Amp\Promise
*/
public function getFullRequest()
{
$this->buildUri();
return $this->request;
}
/**
* Create a new http request
*
* @param string $type
* @param string $uri
* @return self
*/
public function newRequest(string $type, string $uri): self
{
if ( ! in_array($type, $this->validMethods))
{
throw new InvalidArgumentException('Invalid HTTP methods');
}
$this->resetState();
$this->request
->setMethod($type)
->setProtocol('1.1');
return $this;
}
/**
* Create the full request url
*
* @return void
*/
private function buildUri()
{
$url = (strpos($this->path, '//') !== FALSE)
? $this->path
: $this->baseUrl . $url;
if ( ! empty($this->query))
{
$url .= '?' . $this->query;
}
$this->request->setUri($url);
}
/**
* Unencode the dual-encoded ampersands in the body
*
* This is a dirty hack until I can fully track down where
* the dual-encoding happens
*
* @param FormBody $formBody The form builder object to fix
* @return string
*/
private function fixBody(FormBody $formBody): string
{
$rawBody = \Amp\wait($formBody->getBody());
return html_entity_decode($rawBody, \ENT_HTML5, 'UTF-8');
}
/**
* Reset the class state for a new request
*
* @return void
*/
private function resetState()
{
$this->path = '';
$this->query = '';
$this->request = new Request();
}
}